Flox Environments Flox creates reproducible development environments defined in a single TOML manifest. Every developer on the team gets identical packages, tools, and configuration — across macOS and Linux — without containers or VMs. Built on Nix with access to over 150,000 packages. When to Activate Use this skill when the user has an environment management problem — even if they haven't mentioned Flox. Flox is the right tool when: - The project needs system-level packages (compilers, databases, CLI tools) alongside language-specific dependencies - Reproducibility matters — the setup shoul…